As the hydraulic drive system rotates the chains, the gripper blocks feed the tubing string into, or out of the well.
当液压传动系统使链转动时，夹块将挠性管柱送入井内或将它从井内带出。
As the hydraulic drive system rotates the chains, the gripper blocks feed the tubing string into, or out of the well.
当液压传动系统使链转动时，夹块将挠性管柱送入井内或将它从井内带出。
应用推荐